Idaho Falls Regional Airport (IDA): Delays & On-Time Performance
Data through May 2026
Idaho Falls Regional Airport (IDA) runs noticeably smoother than most US airports: 84% of its ~12 daily departures leave on time, 6 points above the national average, with an average departure delay of just 19 minutes. 4 airlines fly from Idaho Falls, ID to 12 destinations.
- Departures on-time
- 84%
- left <15 min late
- Avg dep delay
- 19 min
- Arrivals on-time
- 81%
- Cancelled
- 0.7%
- Destinations
- 12
- nonstop
- Airlines
- 4
Plan your departure from IDA
The choices most likely to improve your odds, based on this airport’s historical record.
- Best departure time
- Around 11 a.m.
- 95% on-time
- Best day to fly
- Wednesday
- 84% on-time
- Cancellation risk
- 0.7%
- below the US average
Monthly on-time trend
Best time of day to depart from IDA
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 25 min |
| Tuesday | 81% | 16 min |
| Wednesdaybest | 84% | 16 min |
| Thursday | 81% | 17 min |
| Friday | 80% | 25 min |
| Saturday | 82% | 15 min |
| Sunday | 82% | 18 min |
Busiest routes from IDA
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| IDA → DEN (Denver) | 1,752 | 80% | 18 min |
| IDA → SLC (Salt Lake City) | 1,179 | 90% | 11 min |
| IDA → DFW (Dallas/Fort Worth) | 529 | 76% | 21 min |
| IDA → SEA (Seattle) | 244 | 82% | 10 min |
| IDA → AZA (Phoenix) | 223 | 78% | 25 min |
| IDA → PHX (Phoenix) | 200 | 87% | 20 min |
| IDA → LAS (Las Vegas) | 113 | 70% | 71 min |
| IDA → SNA (Santa Ana) | 104 | 74% | 41 min |
| IDA → ORD (Chicago) | 101 | 56% | 41 min |
Where flights into IDA come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| DEN (Denver) → IDA | 1,751 | 79% | 16 min |
| SLC (Salt Lake City) → IDA | 1,179 | 88% | 10 min |
| DFW (Dallas/Fort Worth) → IDA | 529 | 76% | 18 min |
| SEA (Seattle) → IDA | 245 | 82% | 10 min |
| AZA (Phoenix) → IDA | 223 | 87% | 8 min |
| PHX (Phoenix) → IDA | 200 | 82% | 14 min |
| LAS (Las Vegas) → IDA | 113 | 81% | 12 min |
| SNA (Santa Ana) → IDA | 104 | 74% | 62 min |
What causes delays at IDA
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing IDA.
- Late-arriving aircraft22%
- Airline operations52%
- National airspace system13%
- Weather12%
Alternative airports near Idaho Falls
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| JAC — Jackson Hole Airport | 67 mi | 78% | 25 min |
| SUN — Friedman Memorial Airport | 111 mi | 87% | 16 min |
Compare the airport-level record first, then check the exact route you plan to book.
Airline performance at IDA
| Airline | On-time departures | Avg delay | Flights |
|---|---|---|---|
| Delta Air Lines | 90% | 19 min | 564 |
| SkyWest Airlines | 85% | 16 min | 6,527 |
| United Airlines | 76% | 17 min | 154 |
| Allegiant Air | 76% | 40 min | 1,074 |
Frequently asked questions
- How often are flights delayed at IDA?
- 16% of departures from Idaho Falls Regional Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 19 minutes. The national on-time average over the same period was 78%.
- What is the best time of day to depart from IDA?
- Flights scheduled around 11 a.m. depart on time 95% of the time at IDA, versus 66% around 4 p.m.. Booking before noon is the usual rule of thumb here.
- What is the worst month for delays at IDA?
- In this dataset, January 2025 was the weakest month at IDA, with 77% of departures on time.
- How often are flights cancelled at IDA?
- 0.7% of scheduled departures from IDA were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 8,319 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.